Grandstream Networks GRP2636

Figure 13: GRP2670 keypad
Figure 14: GRP2650 keypad
Contacts:Press to view and edit contact information.
Hold: Press to put call on hold or resume the call.
Mute: During a call, Press Mute button to mute or unmute the call.
Headset: Press to switch to headset mode
Message: Press to view voicemail messages.
Transfer: Press to transfer an active call to another number.